When should I use assert?

You can use an assert to check if your logical assumption is correct . You can also use assert statements to check if the control flow is correct or not. For example, if you have a function that returns a value, you may want to put an assert statement. However, you may get a ‘non-reachable’ code error.

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What does Extends do in flutter?

You can inherit from or extend a class using the extends keyword. This allows you share properties and methods between classes that are similar, but not exactly the same . Also, it allows different subtypes to share a common runtime type so that static analysis doesn’t fail.

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What do you call a Dart?

In Dart, all functions are objects with type Function since Dart is a pure object-oriented language. All functions inherently have the call method. The call method is used to call a function like someFunction() . This is the same as writing someFunction.

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